Fleece 34.5″ Common Rail/VP44 Coolant Bypass Hose – Stainless Steel Braided (FPE-CLNTBYPS-HS-CRVP-SS) 1998.5-2018 Cummins 5.9L / 6.7L

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The Fleece 34.5″ Common Rail/VP44 Coolant Bypass Hose (FPE-CLNTBYPS-HS-CRVP-SS) is a durable, high-performance upgrade for 1998.5–2018 Cummins 5.9L and 6.7L diesel engines. Designed to enhance coolant flow and reduce pressure at the rear of the engine block, it helps prevent head gasket failure—especially in high-power or towing applications. Featuring a stainless steel braided exterior, it offers excellent heat and abrasion resistance, making it ideal for both competition trucks and reliable daily drivers.

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Description

The Fleece 34.5″ Common Rail/VP44 Coolant Bypass Hose – Stainless Steel Braided (FPE-CLNTBYPS-HS-CRVP-SS) is a high-performance aftermarket upgrade designed for 1998.5–2018 Cummins 5.9L and 6.7L diesel engines. Engineered to improve coolant flow and reduce coolant pressure at the rear of the block, this hose plays a crucial role in preventing potential head gasket failure, especially in high-horsepower or towing applications. The stainless steel braided exterior offers superior durability, heat resistance, and abrasion protection, ensuring long-lasting performance even in extreme operating conditions. Whether you’re building a competition truck or simply seeking improved reliability for your daily driver, this coolant bypass hose delivers the quality and dependability associated with Fleece Performance Engineering.

Additional information
Weight 1.0 lbs
Dimensions 9.0 × 9.0 × 3.0 in
Fitment

Fitment

  • 1998.5 Dodge Ram 2500/3500 5.9L VP 24V Cummins
  • 1999 Dodge Ram 2500/3500 5.9L VP 24V Cummins
  • 2000 Dodge Ram 2500/3500 5.9L VP 24V Cummins
  • 2001 Dodge Ram 2500/3500 5.9L VP 24V Cummins
  • 2002 Dodge Ram 2500/3500 5.9L VP 24V Cummins
  • 2003 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2004 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2005 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2006 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2007 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2007.5 Dodge Ram 2500/3500 6.7L 24V Cummins
  • 2008 Dodge Ram 2500/3500 6.7L 24V Cummins
  • 2009 Dodge Ram 2500/3500 6.7L 24V Cummins
  • 2010 Ram 2500/3500 6.7L 24V Cummins
  • 2011 Ram 2500/3500 6.7L 24V Cummins
  • 2012 Ram 2500/3500 6.7L 24V Cummins
  • 2013 Ram 2500/3500 6.7L 24V Cummins
  • 2014 Ram 2500/3500 6.7L 24V Cummins
  • 2015 Ram 2500/3500 6.7L 24V Cummins
  • 2016 Ram 2500/3500 6.7L 24V Cummins
  • 2017 Ram 2500/3500 6.7L 24V Cummins
  • 2018 Ram 2500/3500 6.7L 24V Cummins
Features

Features

For use with the following kits:

  • FPE-CLNTBYPS-CUMMINS-VP-SS
  • FPE-CLNTBYPS-CUMMINS-0607-SS
  • FPE-CLNTBYPS-CUMMINS-0305-SS
  • FPE-CLNTBYPS-CUMMINS-6.7-SS
  • FPE-CLNTBYPS-CUMMINS-MAN-SS
Installation

Installation

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About brand
Fleece Performance Engineering is a diesel performance manufacturer focused on reliability and precision engineering. The company designs parts that solve common diesel issues while supporting added power. Fleece products support daily driving, towing, and performance diesel trucks. Fleece engineers fuel system components, turbochargers, electronics, and emissions-compliant upgrades in house. Their parts improve efficiency, drivability, and long-term engine protection. Each product is tested for proper fit and consistent performance. Diesel owners trust Fleece for dependable upgrades. Whether maintaining a work truck or building for performance, Fleece delivers proven solutions designed for real-world use.
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